.box1{
	width: 200px;
	height:100px;
	margin: 30px;
	border: 1px solid red;
	/* background-color: #333333; */
	box-shadow: 0px 0px 0px 0px yellow inset;
	background:linear-gradient(/* to right top, */90deg,red,yellow,blue);
	/*线性渐变 值 fangxaing,yanse1,yanse2....*/
	background:radial-gradient( at top,orange,black);
	/*径向渐变*/
	border-radius: 5px;
	/*边框圆角*/
}